Tilt Sensors and Sensing Systems

The tilt sensor employs a water storage tank and electrolyte solution to activate a primary battery upon tilting, addressing the need for autonomous operation and extended functionality in remote environments.

JP7653041B2Active Publication Date: 2025-03-28NIPPON TELEGRAPH & TELEPHONE CORP
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Patent Information

Application Number
JP2023562096
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-11-22
Publication Date
2025-03-28
Estimated Expiration
2041-11-22

AI Technical Summary

Technical Problem

Existing tilt sensors require periodic battery replacement and cannot operate autonomously in situations where human intervention is not possible, such as high altitudes or natural environments.

Method used

A tilt sensor with a water storage tank containing an electrolyte solution, a positive electrode, a negative electrode, and a separator. When the sensor tilts, the electrolyte solution is injected into the separator, activating a primary battery that powers a notification unit to alert of the tilt.

Benefits of technology

Enables autonomous operation of the tilt sensor for extended periods without self-discharge, allowing for timely notification of structural tilts even in remote or inaccessible locations.

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Abstract

A tilting sensor 1 comprises: a notification unit 30 for issuing a notification regarding the occurrence of tilting of a structure; a water storage tank 21 for containing an electrolyte solution 22; and a primary battery including a positive electrode 11, a negative electrode 13, and a separator 15 disposed between the positive electrode 11 and the negative electrode 13. In the tilting sensor 1, when the water storage tank 21 tilts as the structure tilts, the electrolyte solution 22 is poured into the separator 15, and the primary battery 10 starts to produce electricity, supplying electric power necessary to drive the notification unit 30.
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